Improvement in mechanical movements



v tion.

that@ %tata JOHN H. WHITNEY, OF ROCHESTER, MINNESOTA..

Letters Patent No. 109,163, dated November 8, 1870.

IMPROVEMENT IN MECHANICAL MOVEMENTS.

The Schedule referred to in these Letters Patent and making part of the same.

Tc all whom it may concern.-

Be it known that I, JOHN H. WHITNEY, of Rochester, in the county of Olmstead and State of Minnesota, have invented certain Improvements in Me! chanical Movements, of which the following isa specification, reference being had to the accompanying drawing.

My invention relates to a man-power or motor for household use, in operating saws, churns, &c.; and

The device consists in a cam-wheel mounted in a frame, and operated bythe joint action of ahandcrank and a treadle, and so arranged as to communicate a vibratory motion to levers pivoted to the frame, to which levers the saw, churn, or other apparatus to be operated is connected, as hereinafter explained.

Figure 1:is a rear elevation of my motor, with a buck-saw and a churn connected therewith, and

Figure 2 is aperspective view from the front of the same with the operator in position. In constructing my apparatus, I iirst make a strong frame, A, of four or five feet in height, and mount thereon, on a horizontal shaft, a, a broad-faced wheel or drum, B, having an endless zigzag groove, b, encircling it, as shown.

To one end of the shaft a, which is rigidly attached to the drum, I attach a'hand-crank, O, and to the rnpprsite end attach another crank, c, as shown in Across the frame A, near the door, and immediately under the drum B, I-mount a horizontal rocksl1at't,'D, and provide this shaft, at one end, with au arm,\ and connect said arm, by a pitman, e, with the crank 'c on the' drum-shaft, as shown in figs. l and 2.

To the opposite end of this shaft D, being the one below the hand-crank, I attach a treadle er platform, E, which projects an equal distance on each side' of the shaft, as shown in iig. 2.

The frame A I construct with 'an upright portion, F, at one end, and pivot thereto the upper end of a depending lever, G, which lever is provided with a rictionfrollcr, f, that vplays in the groove b of the rum.

Whenthus arranged, it willbe seen that when the drum is rotated by the treadle or the hand-crank, or the two jointly, the zigzag groove, acting on the roller f, will give the lever G a vibratory motion.

Tothe upper end of lever G I attach rigidly a horizontal arm, H', the outer end of which is given a vertical movement when the apparatus is in opera- To the lever G a saw, or other device requiring 'a horizontal motion, may beattached, and to the armf-.i

H a churn-dasher, or similar device requiring a vertical movement, may be connected.

When the machine is designed especially for sawing lire-wood, I construct a lateral extension, I, of the frame A, and provide the same, at its'outer end, with supports for the wood, and with a pivoted lever, J, and rack'h, for locking the wood in place.

The saw K I provide with an arm, t', and connect the same to the lower end of lever G, and to the side of the frame A I secure a slotted guide-block, j, through which the arm t of the saw plays, and by which the saw is prevented from` moving laterally, while, at the same time, a free longitudinal and vertical movement is permitted.

In operating the machine, if the saw is to be used, the wood is placed on the supports and locked fast by means of the lever J or if a churn only is to be operated, the saw is disconnectedand the dasher-handle connected to lever H, as shown in dotted lines in fig. `l.

The operator then mounts the treadle or platform E, with one foot ou each end of the same, and grasps the crank C with his hands; and, by throwing his weight rst uponone foot and then the other, and, at the same time, urging the crank around with his arms, he sets the drum in motion, and thereby the Vlevers G H, and the machine or device connected with them.

By the combination and arrangement. shown, of the crank and the double treadle or platform, the operator is enabled to apply his weight and `strength to great advantage in propelling the machine;

It is obvious that the connection may be made in any suitable manner vfrom the levers G -H to the machine to be operated thereby, as the case may require.

It is also 'obvious that the apparatus may be so arranged as to communicate a rotary motion when necessary, any suitable devices being used for the purpose; as, for instance, a belt from the drum 15,or gearingl connected therewith.

Instead of using the grooved drum for operating the levers, gearing may be connected with the double treadle and crank, and answer the same purpose.

The apparatus will answer not only for operating saws and churns, but for straw and vegetable-cutters, washing-machines, mills, 85e.

In this manner I produce a cheap, simple, and powerful-apparatus for operating the various machines used about the house and farm.

Having thus described my invention,

I. A mechanical movement or motor, consisting of tion, snbstantially'as described.

2. In combination with the platform E, arranged as described, -the driving-crank c, arranged in relation thereto, as set forth, whereby the operator is enabled to operate the `platform and crank eonjointly, as set 4forth.

3. The combination of the oscillating platform E, the driving-crank C, drnm B, and lever G, all arranged to operate substantially as described.

JOHN H. XVHITNEY.

Vitnesses:

PHAL.' T. DODGE, W. C. DODGE. 

